and 25 individuals that were unaffiliated to an employer (or whose affiliation is unknown)

Note that the the development cycle has shortened from 18 months (from Xen 4.1 to Xen 4.2) to 9 months (from Xen 4.2 to Xen 4.3).

Breakdown by Individual

This table is sortable : please click on the icon besides the column header, to sort by a specific column.

Name

Commits

Changes

Notes

Andre Przywara

8

55

Andrei Lifchits

1

1

Andres Lagar-Cavilla

3

27

Andrew Cooper

24

369

Anthony PERARD

23

1017

Aravindh Puthiyaparambil

1

8

Bamvor Jian Zhang

1

2

Bastian Blank

2

252

Ben Guthro

4

163

Bob Moore

3

57

Boris Ostrovsky

16

481

Charles Arnold

2

21

Choonho Son

1

1

Christoph Egger

23

1298

Chunyan Liu

1

21

Dan Magenheimer

7

286

Daniel De Graaf

68

5444

Daniel Kiper

13

70

Dario Faggioli

23

1306

Dave McCracken

1

101

David Scott

9

345

David Vrabel

10

674

Dietmar Hahn

5

214

Dongxiao Xu

33

853

Dr. Greg Wettstein

2

16

Eric Shelton

2

11

Fabio Fantoni

5

99

Frediano Ziglio

13

1054

George Dunlap

32

578

Huang Ying

3

83

Ian Campbell

225

62548

This includes the removal of the Itanium port which consisted of 47980 lines of code

Ian Jackson

65

2170

Ian Murray

2

8

Jacek Konieczny

1

1

Jacob Shin

1

17

Jaeyong Yoo

1

4

Jan Beulich

266

11148

Jason McCarver

1

5

Jim Fehlig

3

44

Jiongxi Li

5

434

Joe Jin

1

1

Juergen Gross

1

14

Julien Grall

56

3682

Keir Fraser

31

8881

Konrad Rzeszutek Wilk

31

440

Kouya Shimura

1

1

Lalith Suresh

1

1

Lars Rasmusson

1

2

Len Brown

2

62

Liu Jinsong

13

465

M A Young

2

11

Malcolm Crossley

1

32

Marcel J.E. Mol

2

119

Marek Marczykowski

2

103

Matt Wilson

3

303

Matthew Daley

7

19

Matthew Fioravante

29

19322

Miroslav Rezanina

1

1

Olaf Hering

40

391

Paolo Bonzini

1

26

Pasi Kärkkäinen

1

38

Patrick Welche

2

18

Paul Durrant

2

48

Razvan Cojocaru

2

25

Robbie VanVossen

1

5

Robert Phillips

2

1528

Roger Pau Monne

24

660

Ronny Hegewald

2

4

Ross Philipson

7

830

Samuel Thibault

5

188

Sander Eikelenboom

4

20

Shakeel Butt

1

4

Shriram Rajagopalan

1

19

Stefan Bader

2

15

Stefano Stabellini

80

3332

Steven Maresca

1

4

Suravee Suthikulanit

3

49

Tim Deegan

35

1814

Tomasz Wroblewski

1

63

Vincent Bernardoff

2

3

Wei Huang

1

2

Wei Liu

13

697

Wei Wang

7

116

Xi Wang

2

3

Xiantao Zhang

11

1042

Xu Zhang

6

191

Xudong Hao

1

50

Yang Zhang

6

176

Zhenguo Wang

1

20

Zhenzhong Duan

1

2

Breakdown by Domain / Organisations

This table is sortable : please click on the icon besides the column header, to sort by a specific column.

Employer

Commits

Changes

(Academia, ENS Lyon)

1

21

(Academia, John Hopkins University)

29

19322

(Academia, MIT)

2

3

(Academia, Swedish Institute of Computer Science)

1

2

(Academia, UIC)

6

192

(Academia, University of Cambridge)

2

18

(Individual)

112

11872[1]

Amazon

12

503

AMD

31

1737

Calxeda

6

44

Canonical

2

15

Cisco

1

8

Citrix

566

73392[2]

Fujitsu

7

229

GridCentric

3

27

Huawei Technologies

1

20

Intel

77

3461

Invisible Things Lab

2

103

KT

1

1

Linaro

50

3483

MESA Consulting

2

119

Oracle

62

1266

Red Hat

2

27

Samsung

2

6

Suse

312

12775

US National Security Agency

68

7468

Virtual Computer

1

10

Zentific

1

4

Note that this list also contains individuals with no obvious affiliation to an organisation. These are grouped under :
1)Unaffiliated Individuals (of which there are 25). Note that some of these may be affiliated to an organization. We just may not know.
2) This figure contains the removal of the Xen Itanium port (25412 lines of code), which is skewing this figure heavily. Without this removal, the Citrix contribution is only 41429 lines of code

Breakdown by Organisations contributing 1% or more

The following list shows Organizations which contributed either more than 1% in terms of code or changesets. Note that we did not count the removal of the I64 toolstack supportin the LOC data (performed by a Ian Campbell, a committer employed by Citrix).